Happiness You Did Not Notice

While Ayumi stays at home to recover from her fever, Yuu and the others learn that a student with a "collapse" ability is in the condo. As a result, Nao suspects Ayumi of being the ability user, believing she might be developing an ability of her own. As Yuu, Nao, and Yusa check up on her, Ayumi describes a dream she had about the ground suddenly cracking, prompting Nao to suggest that everyone be cautious around her. The next day, as Ayumi's temperature goes down, Yuu advises her to stay at home so she can be safe, but she decides to sneak out and go to school anyway. There, she is confronted by her classmate, Konishi, who accuses her of stealing the boy she liked away from her, then comes at her with a cutter. Pushed into a corner, Ayumi suddenly activates her ability, causing the school building to collapse with her still inside. As Yuu desperately searches through the wreckage for any signs of Ayumi, a piece of rubble falls towards him. Afterwards, Kumagami is shown standing over the wreckage.

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S01E07 - The End of the Exodus